Article
SpRY greatly expands the genome editing scope in rice with highly flexible PAM recognition.
Genome biology - 4 Jan 2021
Xu Ziyan, Kuang Yongjie, Ren Bin, Yan Daqi, Yan Fang, Spetz Carl, Sun Wenxian, Wang Guirong, Zhou Xueping, Zhou Huanbin
Abstract excerpt
BACKGROUND: Plant genome engineering mediated by various CRISPR-based tools requires specific protospacer adjacent motifs (PAMs), such as the well-performed NGG, NG, and NNG, to initiate target recognition, which notably restricts the editable range of the plant genome. RESULTS: In this study, we thoroughly investigate the nuclease activity and the PAM preference of two structurally engineered SpCas9 variants,...
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